Math is hard.
Since you are so smart please find me another time period when 7 teams combined to win 1 out of 49 games and not one of them had lost more than 9 in a row. I will give you 15 tommy points over the next couple of days. If you can't you can apologize for being a jerk
I think you've underestimating how frequently this sort of thing happens, data mining is powerful and even good to average teams frequently have long losing streaks in the NBA.
Furthermore your challenge is by far the "jerkiest" thing in this thread. People weren't rude, you were.
"Debbie Downers", "So is being nice", your above challenge. Just thin skinned reaction to criticism.
In a given sample set the size of the NBA collective games played almost any collective record isn't really that remarkable.
In 2007-2008 the Heat lost 15 in a row from 12-25-2007 through 1-24-2008. Other teams losing streaks at that point:
Sonics: 12 Losses
Nets: 7 Losses
Hawks: 4 Losses
76ers: 2 Losses
Bobcats: 2 Losses
Pacers: 2 Losses
That's 0-44 for 7 teams.
Heck that Heat team went 1 - 26 that year if you count their next 11 game losing streak too. Really bad teams and quite a lot of them are very common in the NBA. That Heat team is tied for the 16th worst win percentage in league history.
I picked 07-08 because the C's were awesome and I like that year. You could perform a similar exercise most years in the NBA I imagine.