The removal of the Advanced Data Protection (ADP) feature in the U.K. follows the British government reportedly issuing a secret legal demand to Apple to provide it with access to encrypted iCloud accounts.
Both. Do both. Make it easier for them to address the issue than ignore you. Depending on which side of the aisle your MP is on, focus your letter on either “those evil <other side> are doing thus terrible thing, I know you’re bold enough to stand up to them.” or “this policy seems to have the following problems, and it’s leaving you open to attack from <other side>. It’d be a shame if you lost your position over it.”
Both. Do both. Make it easier for them to address the issue than ignore you. Depending on which side of the aisle your MP is on, focus your letter on either “those evil <other side> are doing thus terrible thing, I know you’re bold enough to stand up to them.” or “this policy seems to have the following problems, and it’s leaving you open to attack from <other side>. It’d be a shame if you lost your position over it.”