I can vouch. I sent registered letters to Target during pandemic to demand they enforce in-store COVID rules.
It worked.
Via Bsky randos: Address:
Disney-ABC Home Entertainment & Television Distribution
500 S. Buena Vista St.
Burbank, CA 91521-3515
response to this:
"Been a soc media mgr for 10 yrs. If upset w a co. I BEG you to write a physical letter & put it in a mailbox. 10K soc media comments=meaningless annoyance that execs brush off. A single letter can send a company into a panic."
