Security Advisory: Links in messages may lead to maliciously operated websites that could track your IP address and reveal your identity, or they may contain harmful files. The DiscordLeaks team does not check links and cannot make any statements about the safety of following these links.
Some ways to protect yourself are:
If you are using the Privacy Badger or other privacy extensions, you may need to whitelist Discord and related domains in order for the images to load.
I'm doubtful he would. I think he would see it is compromising on principles. I think it is fine to accept donations as long as its made expressly clear than any and all donations have zero sway on decision making, and use of donated funds is entirely up to the discretion of the organization.