It's up to each #Fediverse program to handle all of the content it's receiving, as best it can, in whatever way it thinks best for its users.
So yep, go ahead and post whatever you want in the format that makes the most sense for the content.
To hold yourself back for the sake of #Mastodon is to deprive all of the other clients of better content, while also maintaining that same, crippled status quo.