When a "Technical leader" writes a comment in your MR that says "This doesn't make sense".

That can be either a great sign or a horrible one.

There's not much context here. Assuming it's bad technical leads can say they don't get something because they like making people do stupid stuff, are too lazy or they're grossly incompetent which becomes a huge problem if they prohibit you exceeding their competency, IE, don't allow anything not within their knowledge domain or comprehension.

I remember once the lead would leave comments like what does this do and break it up the function is too long because they couldn't be asked to read the code and really just wanted to boss people around for the sake of it.