Some open source culture, yes. However there are plenty of friendly open-source communities as well. If you want to contribute to free-software and don't want to interact with a Stallman/Torvalds/Drepper/deRaadt type personality in doing so, that's a perfectly legitimate preference, and you can find lots of projects that fit the bill!
The kernel community is old.. you can't walk in there an expect people to conform to your new-age ideas.
That being said you are more than welcome to start new projects and choose not to include more abrasive people.
This is the beauty of culture, everyones is different.
Some open source culture, yes. However there are plenty of friendly open-source communities as well. If you want to contribute to free-software and don't want to interact with a Stallman/Torvalds/Drepper/deRaadt type personality in doing so, that's a perfectly legitimate preference, and you can find lots of projects that fit the bill!