Stop that. Don't limit what people can and can't think, do or be.
The goal of gender nonconformity is to make society a more accepting place, to give people the permission to be what they want to be, without having to care about others judging or trying to force them in small boxes.
Some people...
Many men want to be Moe girls, not because they're trans, but because they think that life would be easier if they were cute. Naturally a scary looking guy who doesn't have friends and love Yuri would believe that being a girl is better than being a boy
This is an old trope, there are genderbending mangas from the 60, but this isn't that, it's a manga about a delinquent becoming a femboy, or Trap if we want to be in line with image aggregators
Some crossdresser x crossdresser and crossdresser x girl series are also tagged as a Yuri, we even have the tag "pseudo-yuri" in Japan. I believe that if the author said this isn't exactly Yuri, he's putting the work in the pseudo-yuri box, which makes sense, once that nothing in the story...