I've looked at these, especially LMMS, but in my view they aren't enough (or good enough) to completely escape non-FOSS.
Sample Library plugins, my area of interest, are under two or three banners: Kontakt, Decent Sampler and SF. None of these are appropriately free, although Decent Sampler shows the most promise of breaking down the class divide in this area.
If someone using Brave gives him money and that money goes in to a homophobic lobby it would be better for consumers to know that so they can actually consent to that. Consumers deserve to make informed decisions about who to or who not to support.