I just want peeps to talk about them like they are characters and not just walking brests. Thats literaly what 90% of the conversations about those two are, "look boobs"
I completely agree with you. But I must say... that also goes the other way?
Like, maybe is just me, but a lot of the comments I have found on the internet from people who is disappointed about Pyra's & Mythra's reveal were not better
"Oh god, an anime waifu character"
"Those boobs are enormous, weebs will be happy"
"Lol I don't care but I bet hentai artists will have a lot of work in the next days"
And so on. I have seen a good amount of comments like that, and not precisely from people who are super happy with Pyra & Mythra. So I'd say some people use also their sexuality to make fun of the character or the people who's excited with their addition, and if you ask me they're not being better than the fans who see Pyra and Mythra as walking breasts.
Those critics are being hypocrital in the end. They make fun of a character because big boobs or whatever, but in the end they're also just looking at the surface and judging the characters with a quick look.
On top of that, Pyra's and Mythra's redesigns in Smash are not that lewd. Or maybe is just me? Pyra has not changed much, that is true, but Mythra is practically fully covered. So I don't know, sometimes the people that is like "oh my god you anime fans are so thirsty" are the first ones who seem to not see anything more than boobs.