By the way, I thought that the name of the article "ES6 is great, until it's not" should mean "ES6 is OK until it brings serious problems in your code"..But the

By the way, I thought that the name of the article "ES6 is great, until it's not" should mean "ES6 is OK until it brings serious problems in your code"..But the comments and replies imply that the meaning is slightly different..it's like I am trying to discredit ES6 which was not my intention at all...Could anyone tell me whether "X is great until it's not" has fully negative meaning?