Great.
So you acknowledge that PvP isn't the only reason to play in Open.
That being the case, why would you want people who don't share your opinions of PvP to forego all the things they use Open for?
That seems like advice rooted in nothing more than spite if I'm honest.
Firstly, I disagree about PvP being a "major" part of anything.
Sure, it's something that has immediate consequences for those involved in it but that's about the limit of it.
As somebody pointed out recently, if FDev created an official PvE mode, I suspect Open would quickly become about as popular as a fart in a lift.
Which is probably why they're reluctant to do so.
Secondly you're back to "If you don't agree with what I want, you need to change".
It might make for a more thoughtful discussion if you could move beyond that, somehow.
there are two boxes in front of you.
one has apples and oranges, the other box has just oranges.
you hate apples, absolutely hate them, they make you throw up.
the sensible person would take the box of oranges, because they like the oranges and don't like apples.
the completely insensible person who just wants to feel the self gratification of being outraged will take the box of apples and oranges and call the people who put the apples in the box scumbags and psychopaths, and then get mad and go "why should I" when somebody suggests they just take the box with oranges.
the same goes for PvP in open play.
answer my question and stop playing armchair psychologist:
Why would you play in Open, a mode that allows PvP, when you hate PvP and could EASILY pick to be in a mode that doesn't allow PvP?