your wheels can accept G rated tires at 110psi. you are not hearing that they won't, don't even start that rumor.
'you put G rated tires on your wheels you can go up to 110psi. 'A "G" rated 235/85R16 has a rating of 3750 @ 110psi.
read a comment on etrailer.
https://www.etrailer.com/question-29672.html
and rule of thumb is to:' Trailer tires should always be inflated to the maximum psi listed on the tire to avoid excessive heat build up and failure'