I would like to see more people fear Lollth in roleplay, though. Drow , regardless of being Conclave members, wizards, or what have you, live lives of constant fear that something is going to oust them or out power them ( see the 3.5 books on drow/underdark ffor more info) but their pride also allow them to hide this and would never actually show it..
That being said... they fear lollth. Every single Drow should be utterly horrified and scared of Lollth deep within their hearts.... Lore wise, Lollth is the number one god in the Underdark to the Drow, all others are regarded as secondary or nothing. ((You can find the PDF files on Drow if you disagree. I'm going by 3.5 ideas here, which I've researched recently
It's kind of like . . . A government that allows a religious institution. If they remove the religion from existence, a large amount of the populace (and in d and d, perhaps the goddess herself) would be very cross / angry. . they wouldn't want all the Loyal Lollthites causing problems in Sshamath, would they?
So Sshamath is not dubbed a Lollthite city. It's a trade city with no particular bans on any religion that I have seen.. though you may not want to be too open publically announcing you worship any certain Female Drow Deities that are not Lollth >_>; As there are currently assassins running around killing those ones. ((see my events))
Example from another video game:
As for Drow coming from other cities... the entire Drow world and society revolves around females being leaders.... If foreign females come to Sshamath from other drow cities and demand those to respect them because they are not mere Jaluk, then I see no problem with that. Most of Drow society is matriarchal / run by women and I even think the conclave would still be rather respectful to high ranking females from other societies, though they may not do whatever the female would want . Sshamath is just like . . . that little edge of society that does things a little different. Like Sparta or something. So I fully expect Drow that come from far off cities to live in Sshamath to utterly hate the system and do things to others that may upset the balance a bit. Makes for good roleplay anyways