>>57941289
Nah, not with advent of bottle caps.
The only real struggle is 0IV (usually speed) mons, which if you don't mind it not being shiny can usually be done fairly easily.
I don't even bother with 0 atk ivs because foul play somewhat uncommon and especially confusion.
I'm old school so I still do a fair bit of breeding, but I have definitely gotten lazier. Used to if a mon was anything less than penta-perfect I would discard it - even the shines. Today it's a little different.
Tera and max raids made getting high IV pokemon much easier so you even start with a good mon if you do have to breed.
Then the eggs are stupid easy to get now too because a mirror herb just copies the move of another mon if you do it in a picnic.

This was almost a very awkward game state as neither Giratina nor Ursaluna can hit each other. Giratina would have KO'd low-health Miradon with shadow sneak and I was guaranteed to win because Ursaluna lives its life on a burn timer.
Good thing Urshifu survived, saved a lot of time.