Small Python script that disables retweets for all your friends. Also see stefan.arentz.ca/posts/2020-08-29-disablingallretweets for some more context.
$ python -m venv env
$ source env/bin/activate
(env) $ export CONSUMER_KEY=...
(env) $ export CONSUMER_SECRET=...
(env) $ export ACCESS_TOKEN=...
(env) $ export ACCESS_TOKEN_SECRET=...
(env) $ python disable-all-retweets.py
Disabling retweets for 9534522
Disabling retweets for 783214
Disabling retweets for 15842287
Disabling retweets for 12501742
Disabling retweets for 29395988
...