This was a terrible change in U35.1. As per release notes this is a temprary change, but based on what has been done to LM previously, I'm not confident at all this being a temporary but will be left as is in the future. Could some blue name confirm what are the intentions with this and the timeline fixing it properly?

As of now the the taunt has changed a lot and gives much less protection to a squishy LM.

I've used it regularly when fighting solo against bosses. When timed properly (typically after LS or some other powerful skill) you can keep fighting with lesser skills and be able to keep the aggro on the bear for a while and get the boss morale low enough before engaging with him again face-to-face. But now you cannot fire any skills or it will break the taunt right away and boss is on you again. You cannot even fight against addons with AoE without first pulling them far enough from the boss to avoid breaking the bear taunt.

I'm not saying this is not doable anymore, but it certainly makes these fights slower and more tactical, since you cannot just nuke them down anymore. LM doesn't have the best DPS and cannot tank by itself either, so bear was filling the spot nicely so that LM was able to use the most the limited DPS potential it had.