Is romanticized. It is largely missing from today's basketball, but it is romanticized. It's been said here before but even if the game was more physical 20-30 years ago it didn't necessarily mean defenses/overall gameplay was better. If it's just a preference thing, to each his own
You don't really have 11th-12th man goons anymore and you don't see more notable players who are looking to throw down like Bill Laimbeer, Rick Mahorn, Xavier McDaniel etc. and you very rarely get (intentional) hard fouls like you see in that video. The NBA has made an effort to present itself in a different way now and rule changes are proof of that. By the mid-2000s the NBA decided they didn't want their league to be about the following:
-Low scoring grindfest games
-Fights and events like Malice at the Palace as a result of physicality getting out of hand
-Teams like the Bad Boy Pistons and Pat Riley's Knicks defining the league's image
Can you blame them?