Come on my friend - clearly the 100k Model S/X that were produced last year is an unsustainable burst production example, am I right?!? /s
Look at it this way: in 2012, 2013 and 2014 the argument was that demand was "unsustainable" and that clearly the demand for the Model S will crater very soon. Just search the many threads on TMC for examples of bears arguing that.
Any change that Tesla did was seen as "unfair cheating to artificially stimulate demand".
I guess with +400.000 folks that put 1000 USD down to get in line and buy a Model 3 this argument is dead.
However, bears are not creative: what you describe is the exact same argument for production capability. And just look how people cried foul over the brilliant idea to create a sprung structure (aka tent) and have another GA there - that's "clearly cheating" on Tesla's behalf isn't it?
tl;dr: be prepared for more FUD around any measures to boost production and be prepared to at least one more year of claims that whatever level of production they achieved is not sustainable...