OK, dead this "60s was less competitive" argument. If anything, the 60s era was arguably the most competitive era (an argument can be made for the 90s).
The 60s had 9 or 10 teams in the NBA, meaning only the best of the NCAA and NIT players made it to the NBA. There were no expansion teams and the league's talent pool wasn't diluted with unproven college players, high school players or players from overseas. Only the best made it to the NBA back then. Compare that with today's league where there are numerous expansion teams and college players averaging 20 mins a game and players in inferior leagues overseas get drafted en masse. If anything the level of competition got worse throughout the league because more players are able to make the league.
Also each team played each other very frequently. This is important when you consider the fact that the 60s has the highest concentration of HOF players for any era in the NBA's history. Those HOF players included: Bill Russell, Wilt Chamberlain, Jerry West, Tommy Heinsohn, Wes Unseld, Elvin Hayes, Elgin Baylor, Bob Cousy, Willis Reed, Oscar Robertson, Bob Lanier, Bob McAdoo, Bob Pettit, Hal Greer, Nate Thurmond, Jerry Lucas, David Bing, Walt Bellamy, Frank Ramsey, Bill Sharman, Dave Debusschere, Dolph Schayes, and John Havlicek. I challenge you to find another decade in the league's history that had that many all-stars playing at the same time. Having all these HOF players on 9 teams clearly means that the competition was very fierce on a nightly basis.
Moreover, the 50s-60s era was bush league. Referees were looked the other way when players fouled each other (inadvertently, intentionally, or flagrantly). The league back then made the Bad Boy Pistons look like choir boys. The players also played without any medical staff available on the sidelines for injuries the players suffered while playing. Example: Bill Russell played with a busted eye socket during the NBA Finals. And let's not forget the racial hostility that existed during the 50s and 60s that certainly impacted the league.
Look it's perfectly fine if you wish not to include certain players from the 50s and 60s in your top 10 because you never saw them play. But when you say that the 60s wasn't a competitive era, you lose all credibility for evaluating players from different eras.
Stop spewing that "60s wasn't competitive" bullshyt.