I don't know if encoding really matters in the GDPR as written (IANAL). One could always argue that the weights are just an encoding of a lossily compressed re

I don't know if encoding really matters in the GDPR as written (IANAL). One could always argue that the weights are just an encoding of a lossily compressed representation of the training data, much in the same way a JPEG is a lossily compressed image and those are clearly covered.