Thank you for your feedback. I would ask that you reserve your final judgement on the culture at StrongFirst for after you attend a course, 3 day certification, or work one on one with an instructor. I am confident your experience will be nothing short of first class.
Regarding Pavel, IMO his communication style and unapologetic bluntness is a direct result of where he is from. There was no questioning the rules or raising your hand to offer feedback to superiors. Also, in a blue collar setting, like a freezing kettlebell dungeon in the mountains, guys bust chops. That's just how it is. It is how you test the man next to you to see if he is worthy, can he pull his weight when it hits the fan.
That style of communicating isn't offensive in that setting, it's encouraged to break up the monotony and maybe have a laugh because you are literally busting your AS* every single day.
Pavel has brought that style to all of his work because guess what, kettlebell training is hard work! He didn't even want to bring kettlebells back into mainstream fitness because in his words - "The training is just too hard." It also adds humor to his writing and gives him a marketing edge in the industry where people generally take themselves a bit too seriously.