It's very much worth it in the long term. I'm in a cold northern European country (Sweden). Heating houses will be really costly next winter, but the extra cost will be so worth it. I assume the government will step in to even out costs.
Keeping Russia at bay?
https://www.jstor.org/stable/resrep21140.10
And I hope for example you don't rely on any submarine cables to talk to other continents.
If your country is not a part of the EU of course then this doesn't apply, but in that case I assume one could claim that you should just have better prepared to be slapped around by larger powers as they please.
Where oil is needed it’ll encourage sourcing diversification