If as a feral druid in PVP you require pushback to succeed, then you're doing it wrong. You're going to be behind the target anyways, so why does it matter?

Uhm... of course I don't rely on the thing... but the difference here is that it helped. And we all know Feral Druids could use a little bit of 'help' against casters.
Feral Charge is 15sCD, 8yard range and Bear, Bash is 1min and Bear, Maim requires 35energy and combos...
It's not exactly 'easy' to try and stop a cast from happening but our fast attack speed worked at least slightly and passively against casts.
Not that I mind this change all that much but it's uhm... the 3sec silence on Maim which also is introduced in the patch is not exactly a compensation since Maim interrupts and will have a chance to break now compared to before. All things to help me being able to kill a healer is very.. very welcome.

Sotari: They can cast heals even if you are behind them.
That would have been the biggest benefit. Making healers pay.

They can also rotate while casting. Frankly you can't depend on being behind targets in pvp. You'll get it some of the time (particularly with a pounce), but not all of the time (and probably not most of the time overall, since no class just stands still and casts for an entire combat).