Poor Service and rubbish "lifetime warranty" claim

I purchased two pairs of Bushnell PowerView 10x42 binoculars for my adult kids in 2021. After a few trips to the bush, one set developed double visions issues. Took the faulty pair into Ultimo Group for repairs as they come with a lifetime warranty. Got a quote back from them, not for the cost of repairs but for a replacement set! They want me to buy a new pair of binoculars albeit at a 50% discount! No mention of why the binoculars were "irreparable" or how this fell outside the supposed lifetime warranty. Totally unacceptable service from Ultimo and Bushnell. I will not be buying Bushnell again.