I really liked seats arrangement in Helsinki public buses. Not sure how popular are they. But basic idea is that in a paired seat you have one seat shifted a bit to back. Because of that if there are two people sitting they don't rub their shoulders to one another and it feels much more spacious. Only picture that i could find : https://depressingfinland.tumblr.com/post/59672293951/234937...
Is the asocial behavior documented in the blog typical of Finland?
Relatedly? "...an intact amygdala is necessary for feelings of discomfort following personal space violations, thus helping to automatically regulate interpersonal distance." - https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4123873/
(Also, for those curious: Space Invaders: Personal Space and Autism "...it is possible that a dysfunction in the amygdala contributes to problems in maintaining an appropriate social distance in autism." - https://www.iancommunity.org/ssc/personal-space-autism)