People who are defending IMC probably have not played any games that are developed by really competent gaming companies such as Grinding Gear Games who made Path of Exile.
When major bugs are discovered, expect a patch in 1 hour to a maximum of 3 days. Non-game breaking and minor bugs are usually solved within the week. Of course, not all bugs are fixed but people can play smoothly and without any problems so nobody really complains much in their forums or reddit.
I believe it has been more than 2 weeks and we have yet to see a major bug being fixed by IMC. Heck, just post an improved pet/companion patch, does not have to be perfect but at least not dumb like now and players will appreaciate it.