Nobody said anything about unprotected chair shots but there is a basic flaw in your argument.
Ring of Honor and Lucha Underground are both owned by companies that are somewhere in the realm of 10X larger than WWE, if not more. And yet they don't have the issues WWE has.
Not letting guys use certain moves isn't about safety, really. It's about saving certain moves for certain guys.
They took away Rhino's gore, arguably the best spear we've ever seen in this business, because Roman Reigns is terrible and they want Rhino to stop making his weak ass spear look bad.
They took away both of Adam Cole's finishers, one of which was a frontflip piledriver. And yet Undertaker and Kane get away with using piledrivers whenever they want, and the tombstone is specifically the one that broke Steve Austin's neck.
And the garbage promos WWE does has nothing at all to do with safety. It's because they have dozens of dozens of hired writers that have zero experience in the business, writing promos for talent that is used to doing their mic work freestyle, or just on bullet points.
The commentary is ridiculously horrible for no good reason at all. Even Impact has better commentary than Raw or Smackdown and they have Josh freaking Mathews, whom I would fire out of a cannon into the sun if I could.
Everything on WWE programming for the last ~5 years has ultimately come down to three things: making an aging part timer in Lesnar look good, making a horrible wrestler who isn't over in Roman Reigns look good, or making the McMahon family look good.
They'll bury the entire roster to make those three things happen, and they've done it dozens of times. Most recently this Sunday.
There was absolutely zero reason to do the champ vs champ thing at Survivor Series. Lesnar pinning Styles doesn't help Lesnar because he's already booked as strongly as anyone, and taking a clean loss as WWE Champion just buries Styles, the belt, and pretty much the entire Smackdown roster. All in the name of making Lesnar look one tiny iota better when Reigns ultimately squashes him in the main event of Wrestlemania.
They used the top Smackdown title as a prop, a mere stepping stone, to pay off a Raw match months down the line.