yes, but several of them are correct. a million and a half is completely different to 1 and a half million, for example.
and if anyone ever said winningest to me, i really think i would punch them.
That's a rather angry response from someone who can't seem to master capitalization.
That second list comes off as being written by a bunch of bitter people with no understanding of how language evolves. So, you prefer to use British English. Fine, no one asked you not to. But why all the vitriol over it? They act like they own the damn language and any derivation from the established vocabulary is a personal affront.
I've used a couple of those in that article, it's nothing to get worked up about. Some of those I wouldn't have even thought of as Americanisms anyway. I mean, 'I'm good', 'A half hour'? That's simply shortening sentences.
I suspect that these are the sorts of people who will write to newspapers to correct spelling in articles or will complain to Ofcom over raunchy acts on TV. Every country has them.