Channels get forced closed and have fees associated. You then have to pay another fee to get those channels open again. When your channel partner goes offline and gets force closed, it's entirely out of your control. Similarly, my node has gone offline randomly before and I've had channels force closed because of it. Lost a lot of sats in the high fee environment we've been in.
Discussion
Unfortunately I'm not sure because I never saw that... But normal closing channel it is at cost of who is asking for it .. About forcing close I'm not sure if it is the same. If your node was a routing one and was causing htlc locking that means that was locking out other nodes sats , well it could be .. If your node it is routing htlc, it should work fine , if not it could cause locking funds from other nodes ..
Yeah my node is a routing node. When htlcs get stuck anywhere in the chain of routes, it can cause a cascade of force closes. This is entirely out of my node's control.