Ah, I didn't really read the ToS, but contemplated a third party client a while ago, and was told I best avoid them due to ToS violations. I guess it must've spread through that tweet.

Reddit is one of the most difficult sites online to use as a new user. Virtually no subreddits allow new account to post. There are often waiting periods of a month for new accounts and large karma requirements that are difficult to get, because once again subs won’t let you post.

Reddit is new user hostile.