NYC acts weren’t really moving units until Biggie. I get the bootleg argument, but Wu didn’t sell records either until Meth. The nikkas that were bootlegging illmatic were never going to buy it anyway imo.
I also don’t think you can compare Nas’ buzz in NYC to the nationwide hysteria around Snoop Dogg. At all.
Snoop’s stardom was years worth of planning, placements and hit records (Deep Cover, G Thang, Dre Day, etc), orchestrated by the producer who oversaw the biggest selling gangster rap group of all time (that was NOT the focus with illmatic). Even with all that Snoop still had to deliver on the hype, and he did.
snoop sold 800k week one in 93! hell no nas wasn’t on that level. in terms of artists who ever have been you’re talking Eminem, 50 Cent and Lil Wayne. Maybe drake. And that’s it.