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the new way of forking is not much different from the old way, they are practically doing the same and create the same useless altcoins but they use bitcoin blockchain. it just makes things harder for that altcoin because of the size of the current blockchain (140+ GB) but the result is exactly the same as other 667 forks.
In my opinion the current alt forks, that fork the BTC blockchain with it, are just a fad. Kind of like the alt flood of 2013, when people were simply cloning Bitcoin, changed some parameters and called it a day.
BCH got much attention because it was the first of its kind. B2X has attention because it has been planned for quite a while and is more or less the result of the NYA. BTG has attention because... fuck if I knew, I guess because they squeezed in between the two major BCH and B2X hardforks?
Either way I'm sure that the novelty will soon wear off.
That being said, I think there's actually quite some value in all these forks (and BTC blockchain hardforks). Not necessarily in terms of monetary potential, but in terms of lessons to be learned of how those changed parameters behave in the real world. Just look at BCH's difficulty adjustment algorithm. Kinda fucked up but interesting to watch, especially in terms of unexpected side-effects.