Earlier quoted context omitted.
The examples @piokoch made are very good. Seats in planes were designed for average people. It means that myself, as an average person, have the right to be relatively comfortable in that chair. If an obese person sits next to me, I have nothing against them on a human level - but the fact that they use my space. They are not comfortable either (certainly physically and probably psychologically) so if we accept obese…
Regarding the plane seats, the solution is that airlines provide larger seats for all passengers. The problem of obese passengers encroaching on fellow passengers "space" is because airlines have consistently reduced that "space" over the last 2 decades or more. However, either obesity is a disability, in which case, perhaps the ADA or equivalent could be used to force airlines to provide accomodation, or it is not a…
we currently ban steroids and most performance-enhancing substances in elite sports
Trans is the same thing, but on a genetic level. It alters the state of competition to give advantage to the new entrant. It follows that it would be banned on the same grounds under current rules.
Either we accept all modification in sports, or we dont