I don't think that's misleading. There are a lot of people out there who aren't aware that free software exists that provides a lot of the functionality of software that costs $999. They clearly say "alternatives to".
I personally think the messaging is fine, but the above comment was a clear example that some people could get it wrong.
Gimp finally has non-destructive editing, so is almost in same category as those two. And Krita is good for pixels as well.