Some source available licenses are literally just modified open source with the addition of some clauses (mostly cloud related)

To me source available is: we are open source but if you are an cloud provider with billions of dollars, ask us for a license/fund us.

Technically linux gets funded enough and rightfully so but I remember how netbsd's fundings were so meagre and low which really saddened me.

To be honest, I thought about it and lets assume Linux uses a busl like license which open sources after 4 years

Most likely what would've happened is that someone will take that 4 year old code and then fork it to create the linux we all kinda love.

But overall I think linux is the bedrock of any vps/cloud provider which can be small enough too to be unable to buy their source available license so its kind of an mixed bag I guess and for linux, not worth it because it already gets a lot of funding.

It would be interesting if the same funding that linux kernel gets was shared at a similar level to the distros because I saw cachyos and talked to its creator on discord and I am not kidding but the fundings are very small for a project so big.

Also I think most people use source available license to make money or funding, basically the question which I want to ask you is: how to make enough money in open source?