It's not even that. When we do accomodate them, and build everything to handle 600lb people, along will come a 601lb person who will injure themselves and sue, ad-infinitum. We can't really do anything with the looming threat of entitlement-motivated, stupid lawsuits always around. As a society, we need to deprioritize victims, and reprioritize the innocent. People who do nothing wrong seem to be the go-to for solving stupid people's problems.