We Christians aren't involved in their practices.
They party and pig out every night. What kind of fast is that? Hell...We call it a work day....and skipping lunch.
It seems to be really drastic. No food or drink from sunrise to sunset.
Then eating the whole night.
Whole month.
I summer, in hot areas of Arabia and Africa, no water the whole day seems deadly to me.
Ramadan has been blamed for the backward economies of Muslim countries as it practically takes a month out of the year of economic activity. Very little gets done during Ramadan.
Nowadays, a lot of moderate Muslims do break it quite regularly, but rather secretly, as they may be trashed by the zealots.