Only if you also assume that there are many robust factors with long histories contributing to do the following:
1) Encourage you to think of pretty people as an out-group
2) Strongly bias you towards considering garden-variety not-niceness in pretty people indicative of sociopathy, while doing no such thing about garden-variety not-niceness in ugly people
3) Prompt pretty people to act more sociopathic in a variety of circumstances due to psychological factors working on them
4) Make examples of pretty sociopaths dramatically more accessible in media and public cached thoughts than examples of ugly sociopaths or pretty non-sociopaths
In that case, the proof which would convince me is if the sociopathy gap were universal and intractable in time and space while the factors you list were not.
Only if you also assume that there are many robust factors with long histories contributing to do the following:
1) Encourage you to think of pretty people as an out-group
2) Strongly bias you towards considering garden-variety not-niceness in pretty people indicative of sociopathy, while doing no such thing about garden-variety not-niceness in ugly people
3) Prompt pretty people to act more sociopathic in a variety of circumstances due to psychological factors working on them
4) Make examples of pretty sociopaths dramatically more accessible in media and public cached thoughts than examples of ugly sociopaths or pretty non-sociopaths
In that case, the proof which would convince me is if the sociopathy gap were universal and intractable in time and space while the factors you list were not.