Not apple to apples, but we've used various biners on twitch lines with the mini and absolutely romped on them repeatedly. The only ones that broke over the years, iirc, were downgraded aluminum ones (and somewhat on purpose). A 1/2" worn rigging line knotted (~60% strength retained) should be...
I wanted to set apart and build up a niche bit of the market, The Island Arborist (I live on a bridged island too). Logo is an osprey carrying a branch for nest building. No website or truck signage to date but keep meaning to!