All the new Ragley’s (ti, steel and alloy) have the plate chainstay design which came from my wish to do a ti frame with big tyre and chainring clearance.
I never got chainsuck once on my Summer Season though, but perhaps that’s because it was an FSA chainset with steel rings, and I was running a 105 short arm road mech.
If you try and mash your way out of chainsuck, then frankly, I’m sorry, but you deserve everything you get.
Vigilance when shifting at the front is key, and if it’s sucking as you’re riding along, your maintenance is tosh, and quite possibly your chainlube too sticky.
Fitting a new chain to a worn chainset will result in worse suck still.
http://www.fagan.co.za/Bikes/Csuck/
Indenting a frame isn’t hard and can make a difference if you’re getting suck problems.