Considering that 40,000 applications were submitted under IG stream in less than 2 days and Mendicino had mentioned that 40,000 applications will be processed this year out of 90,000(for all streams), I assume that IRCC will divide that 40,000 quota among all streams meaning that a portion of IG stream apps(let's say 10,000) will not be touched(despite being the first stream filled) in order to process more apps from other streams that had barely hit 2,000 within the first week or so , otherwise there will be complaints about stream bias and about May 6 and May 7 being the only submission dates that mattered(which is still mostly from IG stream)