Shield bash is a prime example of an unhealthy hard counter.
IT wasn't a good idea on Irelia. It is not going to be a good idea on Renekton and Blitz all be it a comical hard counter to Tahm.
All it does is make the game even more based on counterpicks and game more decided at champ select.
Or does the throwback to when Wit's end had a Mana burn not throw up red flags?
(pre nerfs) had the strongest shield. Even more reliable than Janna E