> not simply to feel better in short bursts, but rather to reframe and reprocess thoughts, feelings, and memories in such a way that they become easier to “hold” even if they don’t go away

This is absolutely the gist of it. Anything that helps you do something along these lines is worth pursuing. It's about building up scaffolding around a disaster area-- not to cut off access, but to put up a useful, multipurpose firewall.