I used to think like this. Then I had to use `thread_local` where it was so much more convenient and portable (and likely faster) than pthread_getspecific. I th

I used to think like this. Then I had to use `thread_local` where it was so much more convenient and portable (and likely faster) than pthread_getspecific. I think it's good quality of life features get added and standardized. Even Linux kernel uses lot of GNU extensions. Computers are there to abstract stuff for us.