It isnt revolutionary, but it is good that there is an alternative to monogamy, and dating multiple people makes it easier to survive under capitalism in a lot of cases.
I just remembered a thread where people were being kind of shit about it and felt the need to post
I think it honestly depends on the person. Personally, I couldn't make it work, but I know some people who can. More importantly than anything, it's important not to judge people and their relationship choices and just let them vibe how they want to vibe. (unless they choose to engage in behavior that harms others, than its not ok)