Aligning people with differing core values in a team is indeed necessary but difficult. It can kill your project for small teams, for larger teams you will likely need to think your organization keeping the misalignment in mind.

I'm not sure the "bubble" comparison properly applies. Still there are indeed signs of the Open Source movement getting in troubles. It'll be all the more important to stick to the Free Software values.

The interview is overall very interesting (I advise listening to it in full). It's nice to have such an historical perspective. At 15:00 there's a question which prompt a very important explanation of why the word "over" was chosen and repeated in the agile manifesto. Unfortunately it's been often misinterpreted...

Good and reasonable advices... doesn't make them easy to truly apply though. It's likely worth trying to live by them still.