From what I know, this is a known issue amongst Chrome browser users. Sometimes, if not most of the times. Trying to load Dtube videos in Chrome is a pain in the... I have been dealing with this for a while now but yesterday told me about getting the Brave browser and watching them from there. IT WORKS! The videos load perfectly.
Download the Brave browser from their official website: here
The reason Dtube videos won't load propperly for some Chrome users is because of AdBlock and/or Poper Blocker
If you have any of those two extensions be sure to disable them and the videos should load up normally.
If it still doesn't work though, even after disabling them. Try disabling the rest of the extensions you have, one by one, to find out which one is causing troubles.
Hope you found this useful and that you now, you won't be banging your head on the wall anymore, because of the infinite loading times.
▶️ DTube
▶️ IPFS