The reasons that i can think of using statnamic instead of MLT is space & time constraint. Maybe there is no space on site or the site hanging perilous mountain or we simply need fast results.
If none of the above met...just use tradisional & time consuming MLT test!...
My personal view, if we agree on statnamic test in the first place...we already understand the basic behind it and its constraints. Thus, no need for another MLT test but i do hope we have the chance to compare results between two significantly different test!