I love PvP. Been doing PvP since games like Chaos and Spy vs Spy back in the days of the Speccy

My current PvP game is Fortnite. I'm a bit rubbish at it, my son makes me look like a complete nub, but its great fun.
Perhaps your question was, why don't i like PvP in ED? I do and i don't. I enjoy duels. They can be fun, but that ties in with my first reason below:
1) Balance. There is none. For me to enjoy PvP there has to be a level playing field. Each combatant should have same chance of winning any encounter with the main deciding factor being skill, and perhaps a bit of luck. That's the sort of PvP I enjoy. I don't want to have to fly combat capable ships all the time in ED as i enjoy doing things other than combat. I know you can always run, but then, if the choice is run or die, then why bother in the first place? Then you are not engaging in PvP, you're just running. Might as well just avoid it by playing in PG/solo. I rarely carry goods, i'm not a trader, so not much of a target for PvP piracy either.
2) I bought ED to play an updated version of Frontier with coop with friends. I didn't buy it to PvP. There are much better games out there for PvP.
3) Time investment. Getting good at PvP requires time investment. I don't want to spend my time in ED gitting gud at PvP. I want to derp around in ED, go exploring, run missions, usually while drinking beer

I'd rather get good at PvP in other games. I don't have time to practice practice practice. It would stop me doing other things. I'm trying to git gud at Fortnite, there is only time in my life to git gud at one PvP game.... and even that is questionable. More like git not-completely-useless.
4) Ships that I fly. My new fleet consists of 4 Cobra Mk3s and 6 Cobra Mk4s. The Cobra mk3 is a good runner, so in theory i can escaple most PvP encounters, but that's not PvP really, that's just running. The Cobra Mk4... well, i've one in PvP, but its not a great combat ship. I don't want to be forced into flying certain ships to survive PvP encounters, and as a said before, just running is not really enjoyable PvP for me. It adds nothing to the game.