it's difficult to have faith when there's so many different and disagreeing denominations in the abrahamic trio alone
there's also the issue of evolution having a stuff ton of
evidence and it contradicts original sin making jesus's sacrifice moot
and islam's doctrine has historically been to expand by conquest and not through proselytizing, which is why tolerant empires like the ottomans and moghuls didn't convert all of their territory. this indicates that mohammad was using islam politically from the very beginning
also a lot of christian scripture tries to use
double truth if i was to pick either of the three, judaism is honestly the most reasonable