A fork is not an attack. It is a fork. Bitcoin does not care about forks, because they are not Bitcoin.
It IS 100% an attack when the hardforkers are trying to steal the Bitcoin brand.
There may be some "friendly-forks" that just want to hardfork BTC to issue their altcoin and they recognize themselves as an altcoin.
Another very different story is when government shills like Jeff Garzik or Roger Ver try to turn segwit2x or BCash into BTC, claiming it's the real bitcoin. In fact, Jeff Garzik claims in november exchanges will list segwit2xCoin as BTC and it will become de-facto Bitcoin (of course they are bribing miners and merchants with fiat gov-sponsored money). These are the terrorists against Bitcoin that need to be flushed.
How can the SW2x be such an unfriendly one or do you think the SW (SF) part was unfriendly as well?
So you see that there is no one or the other - that's live.
Segwit wasn't a hardfork that derived in another chain/token that then claims to be the real Bitcoin. If you don't like segwit then don't accept segwit transactions, simple as that.
Bitcoin is not a protected brand at all.
Those claims are stupid, you could say that BitcoinDark and Bitcoin+ are attacks then as well.
What do you say if the 2MB HF becomes the majority chain with most value and Transactions?
Friendly forks do not claim to be the real Bitcoin. Segwit2x claims to be the real Bitcoin, it's not, regardless of how many corporate fiat whores involved bribing miners into mining it and bribing exchanges into listing it.
What is the problem with a 2MB block size? Other than the maximalist perspective that any hardfork is Not-Bitcoin and therefore anybody claiming that it is must be a corporate whore out to steal the real Bitcoin? You keep all your Bitcoins, all your Segwit forked-bitcoins and lose no value. I can understand the addition of a centralization risk of a larger block size - but at this point centralization is coming from mining outfits like Bitmain - not the dev side. And sure there's some argument Bitmain tried to block Segwit to make sure there were more on-chain transactions (more tx fees) and that Bitmain supports 2x for the same reason - but a 2MB block size isn't going to make it substantially more difficult to mine or run bitcoin nodes.