There is a lot of truth in those statements. However, ofttimes the AI will clear a continent and become very powerful. In any event with an old game like this you can create house rules to vary the experience and find a lot of enjoyment in that. Straight up momentum play and trying to beat someone's timeline gets a little old after 20 years or so.
Plus, did I mention, it's not fun to get run over with a doom stack after putting in a lot of time into a position?