Another benefit is that exit nodes tend to be saturated with traffic from folks using them to transit traffic onto the clearnet. As such, latency and throughput

Another benefit is that exit nodes tend to be saturated with traffic from folks using them to transit traffic onto the clearnet. As such, latency and throughput through these exit nodes is going to be pretty bad. Using Tor to directly view Twitter means that you aren't bottlenecked around an exit node to reach Twitter.