Okay, I get it that chances are nonexistent that it will ever happen to me personally that I will have an address which is the same as another one, but at some point EVER there will be 2 persons with the same BTC address. Whether it is now or in 10 years, it will happen some time.
That's assuming people still exist then
The question is not "Whether it is now or in 10 years" but more like "Whether it is now or in 10 billion years" (give or take a couple orders of magnitude)
The equation where x = ∞ and y = the number of users creating x amount of addresses will only make it possible for the graph to dissolve this situation into an issue where people may face a 'collision' to each other. But there are chances you may get your seeds or phrases randomly guessed by someone and a person who is intentionally doing it, gets lucky some day.
I mean yeah, there's also a non-zero chance for a bank robber to be able to walk through the wall straight into a bank's vault due to quantum tunneling.
https://physics.stackexchange.com/a/243715
It's just that that chance is very very small. Unlikely-to-occur-before-the-heat-death-of-the-universe small.
Granted the chance of a random private key collision is slightly higher, but still not within a realm that makes sense to consider as a threat model.