1) Male privilege had legal consequences in the past. This is where I am starting from. In the past, a woman could not be raped by her husband according to the law, she needed her husband's permission to conduct business etc.
I believe the "a woman could not be raped by her husband" claim is one of those urban myths. I may be wrong on this, I have hardly researched it extensively, but I believe it was born out of the fact that "marital rape" is a (relatively) recent addition to the statute books, but this does not mean that the existing crime of "rape" didn't already cover this. It would be like saying that, before hate crimes existed, it was legal to stab black men in the neck.
But anyway, although the men (or should I say husbands, as that is what we're really talking about) had certain privileges over their wives, they also had certain responsibilities and that the wives did not, and they had additional privileges of their own. For example, while the man may well have been the one with legal power over the finances, he was legally required to use this power fairly and to keep his wife and children to some acceptable standard. I don't remember the name of the offence now, but it was a crime to spend all the money on himself. He would also be held legally responsible for any debts racked up by his wife, even if they were without his knowledge, up to and including jail time. But in any case this was all tied to the institution of marriage, not strictly a men-vs-women issue. Single women retained all those same rights and responsibilities for themselves.
I totally agree that there were very rigid and unfair gender roles at the time, and I'm glad these things are (for the most part) gone now and would have no desire to see them return. But I do not agree that it was ever as simple as "men get all the good stuff, women get all the bad stuff". It was a mixture of pros and cons for both sexes.
2) To justify these legal consequences, certain thought processes about men and women were adopted by society as a whole. Thus came the idea that women were weaker than men, physically and emotionally, thus came the idea that women aren't driven by sexual need, thus comes the idea that women are passive creatures etc.
Yep, as above, I agree with this and am glad it's no longer the case.
3)The feminist movement has challenged and knocked down these legal barriers by and large. They have also challenged how society views women.
They are not the sole force responsible for such changes, and they've done a lot of other questionable stuff as well. As for the last sentence... too right they have.
4) So traces of male privilege still exist in the left over thought processes of those times, but they are on their way out, and the actual tangible consequences of those beliefs is hard to measure.
I would agree that traces of the gender roles and expectations still exist, but as before I do not agree that they were ever anything as simple as male privilege. Nor do I agree that they still exist as anything other than a negligible background noise that can mostly be ignored. For example, if I wanted to become a nurse or a hairdresser or ballerina (or whatever the male equivalent) then I imagine I would face exactly the same societal pressures than women who want to become bricklayers or car mechanics face, but that it would essentially amount to nothing more than a few sniggers behind the back or some such equivalent, rather than the whole system being against me, and it would only take a less than averagely strong character to weather those storms.
5) Male privilege must not be conflated with other more potent privileges.By that I mean, don't assume because a person is male they are as privileged as a rich women. That rich women is more privileged than that man any day, because the law does favor rich people, and trying to dismantle the privilege of the wealthy is something I believe can't be done, and the attitudes that empower the rich are stubbornly embedded into society (ie the poor deserve their poverty).
No argument there.