A lot of people have a problem with Kolmogorov complexity and Solomonoff induction being “ideals”. [...] Instead, accept that the ideal can only be approximated in reality and that the better we can approximate it the better we are doing.
That doesn’t sound like a very serious problem with these things being “ideals”.
That doesn’t sound like a very serious problem with these things being “ideals”.
Ideals don’t have to be attainable.