Speaking of biased I think your post is biased or you didn't read the second paragraph. I'm saying this not trying to wind you up so let me explain it here in two parts.
One, Spurs had very good squad in the season when they reached UCL Final. Their squad was different to what they have now because they had prime Aldeweireld, Eriksen, Vertonghen, Trippier, Rose. Some of those players could upgrade our team. And I'm not being biased because I have been sticking to my words about this before in December 2020 I made statements that lot of players from Poch Spurs's XI are actually an upgrade to our ''current'' XI (check link below). Our players are not in their prime age right now.
https://www.redcafe.net/threads/epl-title-race-20-21.459537/post-26493925
Two, who said managers don't influence big time on player's potential/level? Come on, let's not making things up here. If anything, I have been saying Ole is a big influence on how our players have shown improvement every year and being well developed. End of the day, you don't turn a baby into a man in one year because there are steps, learn how to walk, talk and etc. Same with footballers, you don't turn young age footballers to their full potential in 1-2 years.
And other thing is, read the second paragraph of the post you replied because your point makes zero sense to counter mine.