This could also be AIBU to expect better of the BBC!

The BBC used to be the epitome of British correctness. Now
the standards have dropped to the same level of corruption as the rest of our modern society. So many people admire the Americans and copy their example, which is a poor choice as the Americans tend to downgrade everything from the pronunciation of surnames to English grammar.

My Oxford dictionary says all 3 are right. "Different from and different than are described as American English
different to as British English.
The example given for different to includes a negative- The Royal Academy is no different to any other museum.

Smithy it wasn't actually keeping me awake, just prone to the odd night of insomnia

"Different with

My copy of 'Fowler' says that 'different' can be followed by either 'with' or 'to'.

Agree Phoenix. But you must try not to let it keep you awake at night.

It is so irritating phoenix from people who should know the difference. I was always taught that you differ from and liken to.