It's fine to say 'is very well' providing her context. But her tone is the problem. Some phrases she picked are a bit offensive and not used in common conversation if only there was an intense argument. The intent reads to shame someone rather than helping people understand her take.
【 在 DeepIn 的大作中提到: 】 : is very well? : : #发自zSMTH@MI Note 3 -- FROM 35.203.229.*
It's all very well trying to lose weight, but you must eat somthing!
【 在 DeepIn 的大作中提到: 】 : I still didn't get it. Could you please give some other examples of “be well” in such a context? : : #发自zSMTH@MI Note 3 -- FROM 42.98.11.*