Or at least require a decent font.

There are valid concerns with regard to bidet use. They do result in aerosolized particulates in greater number than results from wiping, which means you are literally breathing more feces.

Is it enough to be problematic? Probably not, but that may also depend on how aggressively/frequently you use them.

See also:

• Ali, Wajid, et al. “Comparing bioaerosol emission after flushing in squat and bidet toilets: Quantitative microbial risk assessment for defecation and hand washing postures.” Building and Environment 221 (2022): 109284.
• Abney, S. E., et al. “Toilet hygiene—review and research needs.” Journal of Applied Microbiology 131.6 (2021): 2705-2714.

As someone who has worked extensively with the homeless, I’ve seen quite a few examples of where supposedly anti-homeless takes have been attempts to inject more nuance into discussions than simply being pro- or anti-homeless, both of which are practically meaningless positions.