PoGo is (and always have been) broken!

Let me explain...
I think Niantic messed up big time from the very beginning and now it's obviously too late to change anything.

Pokemon (both in anime & original games) has always been about a bond with your pokemon.
Technically you could 'catch'em all' but you could only invest time in developing (leveling up) a small bunch of them and making them stronger, eventually forming a special bond with your favourite ones. That's how it worked and it was awesome.

Now, in PoGo it really, really sucks that you can quite easily collect EVERY pokemon there is and fully power them up just as easily if you want to.
Beyond a level 30 I suppose we're all pretty much identical trainers - same pokemon powered up, counters to everything, all of the best ones collected, all of the weaker ones rejected. What's the point of that? How would PVP even work while EVERYBODY has the very same pokemon equally strong?

They could totally do it differently. For instance evolving a pokemon could depend on both distance walked with him/her as a buddy and a number of successful (!) gym battles where he/she participated.
If I was to walk 125 KM with my Charmander to evolve him into a Charizard I wouldn't have 5 different Charizards that I don't care about like I do now, just because I visited a nest a couple of times. They could even leave the candy system for 'small powerups' in order to make a unevolved form a little stronger so they could actually win some battles.

I'm level 33 and walked about 1200-1300 KM so far. This would mean that by this point I'd have about 9-10 pokemon really good at best, that I invested my time and resources in and that's it! It would not be obvious for everyone that I have Charizard, Venusaur and the Blastoise or Rhydon and obviously Golem and a couple of Dragonites. You get what I mean? It would be picking and choosing, making sacrifices, planning strategy, spending more time developing your actual favourite ones because pokemon is not (and shouldn't be) just about the math such as highest max CP, highest DPS and so on - it's also about which monsters you simply like.

P.S It is still sort of fun to play the game and I try to preserve as much of this original spirit as possible i.e. fully powering up really weak mons just because I like them :) but man... they could have made it so much better! Such a shame!