Liquid is best considered a pass-thru vehicle, more of a bypass lane than a parking lot. Like Lightning, it's meant for petty cash spending, either by exchanges or LN channel balancing of accounts. Storing value is best done with self-custodied offline key-signers, in large amounts, on an infrequent basis.

If you're storing value on exchanges, in Liquid, or LN, you aren't using your tiols properly. Off label use always has inherent risks, no matter the prescription.