A bit of an exception: not *all* Muslim cultures abstain from alcohol. It's very normal in Central Asian countries, especially Kyrgyzstan, where customary consumption of alcohol is widespread and normal and not considered in conflict with Islam. This has to do with the longstanding tradition of consuming fermented mare's milk (an important aspect of the traditional nomadic culture which was never entirely given up), and possibly to some extent the popularity of the Hanafi school there, which originally treated small, non-intoxicating quantities of non-wine alcoholic beverages as permissible.

Many Central Asian Muslims are also a lot more casual about many of the tenets and behaviors you describe here; reliably keeping to even one of the pillars makes you unusually strict (there is a lot of charitable giving, including religious in nature, but it usually isn't zakat in the sense it would be understood elsewhere in the Muslim world).

These things often lead to the perception that Central Asian Muslims aren't devout or sincere in their faith, which isn't so.

Not to nitpick, just to point out some of the sheer variety in even seemingly-fundamental aspects of the faith. :)