Due to the way ruins pops work, you're always better off chasing the improved odds of catching a second-tier tech from ruins by going Pottery first, provided that you have to take Pottery, Writing and Mining+ to plant the Academy. If we assume that the game has provided the hypothetical start in question (can it for the Babs?), we could qualify my statement and say that Babylon should always take Pottery first. This is still an absolute. Other absolutes really do exist in this game, and have since release. It would be correct to say that there are fewer since the initial release, but they're still out there.