Tumblr is known in its user base for completely ignoring the wants of its users and doing stuf that makes it harder/worse/annoying to be on the website. They tried censoring words like girl in an effort to censor porn. They use an automated system to determine if you've posted 'sensitive' content which is known for getting things laughably wrong. They've added ads that try to auto open Google play four times in a row on my phone. The ads are definitely pushing a lot of people off the platform.