The more people build feed DVMs, the more choice users get to discover content they are interested in. This is a truly free marketplace of algorithms.

But also, the more people build feed DVMs the more dead ones, trash ones or even in some form negative ones might appear over time.

Remember anyone can build whatever they want, as this is a truly free marketplace of algorithms.

This also means, you don't have to use or even see those you don't want. There is no shame in hiding/blocking DVMs, especially for said reasons.