I agree with the concept of it, and I agree that all the industry sets should at least conform to it is a standard, if only because major train sets like the DBXL will transport cargo according to the ECS labels. That way, it ensures that the ordinary Joe-Bloggs of the day can use any trainset he likes with any industry set, and it reduces false "bug reports". (Eg my train can't transport fuel oil, therefore it's a bug).
I agree with Dave in that sometimes it can seem that George is making demands, however, sometimes I feel that is a language barrier, and not how the post is meant to be conveyed. Mostly due to the lack of tone, an innocent message can sound demanding, and in our rush to defend the developers who spend their hard time making toys for us to play with, we react defensivly. I do not believe George was making any kind of demand or attack that was unreasonably (well, no unreasonable demands, and no attacks at all

So, im my personal opinion, unless UKRSI is planned to be a compltete industry set, rather than one that supplements the base industries, it should probably conform to ECS. I know, I love it, and it would be good to use alongside Michaels New Cargo. Ditto, it would also be nice to use the trucks from the original Cargo Set, to transport some of the different types of "goods" replacements.
However, all of these things we can only get by working together, and if we infight, none of that will happen. So please, take the advice of Snail and wait for Pikka to reply first

Thanks!