Voxel

Please avoid using the term “custom ROM”, use preferably “Android Distribution” (is also the term used by LineageOS themselve) as ROM is inaccurate technically speaking.

Source: https://lineageos.org/

RCS is off-topic.

Regarding Push, there is UnifiedPush which has already seen a wide adoption, e.g. Matrix. That’s also the one used by Nfty. It’s free and opensource and can be used by anyone.

It’s pseudonymous, not anonymous.

See: https://www.edpb.europa.eu/sme-data-protection-guide/faq-frequently-asked-questions/answer/what-difference-between_en

So you avoid my question, together enough reason to block you.

What exactly do you call “doxxing” here?

Very interesting; I will verify the integrity of what you said and may spread the word.