Nah breh, sorry but you're definitely wrong here. The best teams in the league were built primarily through the draft, you build your foundation via the draft and bolster your roster with free agency. Just look at the playoff teams right now and the majority of their core players were either drafted by them, traded on draft night, or had their rights traded -
Utah - Gobert, Hayward, Hood, Burks (Favors traded to them his rookie year)
Memphis - Conely & Gasol (Marc's rights were traded to the Grizz)
Portland - McCollum, Leonard, & Lillard
Dallas - Dirk
LAC - Blake & Jordan
OKC - Durant, Westbrook, Ibaka
SAS - Duncan, Parker, Kawhi, Manu
GS - Curry, Thompson, Barnes, Green
CLE - Kyrie, Thompson & Bron (

)
TO - Val & Demar
BOS - Sullinger, Bradley
ATL - Horford, Teague, Black Hitler
MIA- Wade
INDY - George, Turner
CHI - Butler, Rose, Noah, Gibson, Mirotic
CHA - Kemba, MKG, Zeller, Frank
There are some exceptions but the absolute best teams in the league were built via the draft, of course there are misses, but to say people are overvaluing picks isn't right. Outside of superstars they are the most valuable assets in the league because of the rookie contracts, the Celtics are going to have around $50 million in caproom because all those young dudes on their team are on rookie deals, in addition to having the Nets picks.
Your point about wanting Nerlens doesn't make sense, before he was a "Sure thing" the Sixers traded an all-star for him on draft night even though he had a torn ACL. You don't need to have the top pick to build a foundation, especially since Knicks already have their key piece which would be Kristaps, a lot of the guys I named weren't even top picks, hell the Warriors were built with picks 7 (Barnes & Curry), 11 (Thompson), 35 (Green). Also, you say you don't want to get caught in the same cycle as the Sixers, yet the last time they were in the playoffs was 4 years ago, the last time the Knicks made the playoffs was 3 years ago, you're already stuck in the same cycle as them but without the prospect of a draft pick
The Knicks are caught in no mans land right now, this is the worst position to be in, not having a draft pick in a year where you're not going to make the playoffs, all while having an aging star player.