The solution to big tech already exists and it's GLORIOUS

Good instances:
https://poa.st/ (this is the one I use)
https://liberdon.com/
https://bae.st/
https://freespeechextremist.com/
https://berserker.town/
https://gearlandia.haus/

Songs:
Aphex Twin – Ptolemy
Bl00dwave – lay down
Macintosh Plus – 花の専門店
Macintosh Plus – 地理
Machine Girl – The Storm

Social links:
https://kodeb8.neocities.org/