"Humanity is a disease" is not the same statement as "humanity is capable of committing atrocities" though. The latter leaves the door open for a "but", while the former makes humanity itself a systemic problem but refuses or "forgets" to pin the blame on anyone or any system.
Such statements devolve the conversation into defeatist pseudo-nihilism, where a "true nihilist" knows that the betterment of humanity will have to come from within.
I do agree that capitalism is not the root of all evil, but it is central to the particular "planet's fucked, housing is unaffordable, and no-one cares" doomer sentiment that is depicted in the meme (at least that is how I read it).
Some one on that "we need more sensitive men like in LOTR" post one of the top comments was about how men aren't like this because capitalism. I point out the absurdity of that message and get ratio'd
Like yeah capitalism in it's current state us the cuase of a lot of problems, but the inevitable communist revolution isn't going to do much about the crushing expectations society puts on men.
People really do love to try and tie every world issue into one thing, when the fact of the matter is that things like "the patriarchy" or "capitalism" are just tools of the oppressor and not the oppressor themselves.
It doesn't matter what ideology you run a society with if the people are the top are all shortsighted, self interested ideologues.
People accosiate monarchs with oppression for a reason.