Would leaks like this happen on a normal tubeless set up after the bike has been sitting for a month? This is a ghetto set up (gorilla tape and non TLC rims). :
Fat Bike Tubeless Tires with Duct Tape and Gorilla Tape How To DIY Install - YouTube
Reader How-To: Making a Super Light Tubeless Rim Strip for Fat Bikes - Bikerumor
Edgar Bikes - PSA Gorilla tape is not tubeless rim tape. We don't know who started that, but please, never do it. Stans NoTubes, DT Swiss, and other brands make great rim