That doesn’t make it permissible. While it’s true it may sometimes happen and we can’t prevent it, that doesn’t provide license to anyone to actually facilitate providing a Sefer Torah to a party that will be mechallel it. (By having unclean women handle it or various other ways.)
As far as a Chumash, I’m not sure how problematic it is to facilitate providing it to people there is a strong chance will C”V bring it into a restroom or otherwise disgrace it. Obviously a Sefer Torah is a bigger issue than a Chumash or Sefer.