its the classic internet syndrome of shutter finger excitement. you get so excited about something you are about to do that you have to take pictures of it half done and put them online.
of course, by the time it's finished, no one cares.
stretched? more likely the wheel has been pulled forward. most likely is that the rider likes it at that tension as it will run smoother than an ubertighthipsterchain.
got a fair few links of my gold izumi spare if those will work wayne? 1/8 and top notch quality. can bring to polo, or i have a few shimano 1/8 track chains to sell. can do one for a few bottles of your fine beverages that you bring? say a ginger beer and a real one?
if 58 or larger i will dib!