You cannot be more wrong in your life, my friend. Let us, for a moment, agree that IRCC doesn't wish to invite candidates with low scores. Now, let us define low scores, which you most probably imply scores below 410, right?
If that were true, the EE system could simply render all profiles with low score ineligible for immigration and hence reject those applications, outright. The CRS calculator too, could state that up-front. That would save a lot of people from, firstly, crowding the IRCC database and secondly, spend money towards ECA, IELTS, etc.
If someone has an active profile in the system, which clearly states that one met the requirements, it is ones right to hope for an ITA, sooner or later. The CRS is just a waiting list number of the queue. It just denotes how long one needs to wait, and in no way restricts ones turn.