At lot of generalisations there With BA's approach of trying to get many of the legacy fleet to take redundancy and their appalling treatment of mixed fleet who knows when BA will be in the situation where excellent crew is the exception rather than the rule.

Does the VS passenger demographic shop at "King of trainers"?

As we're talking premium economy I agree on T3. But when I have lounge access T3 is the best terminal at Heathrow (whether flying oneworld or Virgin).

Consuming food and drink is optional, but it's certainly better to have the option than to not. Same with WiFi (unless your company would force you to work if WiFi is available).