The fact that it is open source does not mean it isn't a business.
And yes, he has saved himself the time and the effort of dealing with the GDPR, has also managed to position himself as someone who pays lipservice to privacy but who does not care to actually be compliant with privacy legislation when it matters. I wouldn't want my data in his hands after that anyway (not that that would ever happen because I don't have a smartphone in the first place).
That's ridiculous, and the same non-logic as "anyone who declines to let the police search their home without a warrant is trying to hide something illegal". In both cases there is no upside and a chance of a large downside, even when you're completely innocent.
And yes, he has saved himself the time and the effort of dealing with the GDPR, has also managed to position himself as someone who pays lipservice to privacy but who does not care to actually be compliant with privacy legislation when it matters. I wouldn't want my data in his hands after that anyway (not that that would ever happen because I don't have a smartphone in the first place).