Is this transphobic?

To preface this, I must strictly say that I'm not transphobic. I think people are whatever they say they are, be it in regards to gender, in regards to personality, name, whatever they wanna be, they are. I just want to make sure that I'm educated enough about this, and I seek knowledge and a bit of relaxation from all of you reading this.

I saw a video from a man (who I know is a centrist leaning left content creator), where he spoke about the fact that "No uterus, no opinion" is a bs argument for abortion rights, and said that saying this is the same as saying that if you aren't oppressed, you don't get to say things like "stop oppression." I think that's a bs analogy, so I commented that the analogy itself is wrong, and that, if he really wanted to give one, he could've said that if you're not a doctor, you can't give a medical opinion. He replied "I'm not a doctor, but there are articles I've read which could help me figure out what a patient is going through, tho ofc, i cant treat them blah blah blah" something along the lines of that. What he ended with is what bothered me. He said that this slogan is regressive for trans folk.

I've never really encountered this argument. Again, I ask for mercy in the replies- I just want to make sure that I'm not being transphobic in any way, since thats an arsehole thing to do.