Freely available hallucinogens at the pole would make things 1000x worse.
…though I think your point is, that while you're stuck in ice with no way out, all the mental stability structures you build to connect yourself to reality are bad and harmful. And being on drugs and disrupting your reality, breaking down your preconceptions etc. would be more along the lines of continually breaking down the BAD mental structures you're inevitably building, due to correct appraisal of your situation.
Still doesn't sound awesome though :)