I really enjoy this show and was relieved it survived the transition from the DIY Network to Magnolia.
It's great to see a show that focuses on restoring historic homes, not tearing everything out, filling a dumpster with perfectly good materials, and putting in shiplap and grey and cream walls that will look horribly out of date in 10 years. Brett Waterman seems to genuinely love what he does, and if his performance seems hoky at times (and it does: oy, that hat!) you forgive it for his passion. Guaranteed he will discover some important piece of the house's history during demo (which for some reason the homeowner never found because...?); expensive original materials will be sourced; talented craftspeople will do their thing; homeowners will cry at the end, etc. It's also nice that most of the houses are in Southern California's Inland Empire (Redland, Riverside, etc.), an area who's historical richness gets little love these days.
My one gripe (as the owner of an old home myself) is that the budgets are always huge, which can make taking care of a historic home look out of reach to most people. These homeowners usually have renovation budgets of $100,000 and up (just watched an ep where the reno budget for a just-purchased home was $230,000, which given housing prices in SoCal boggles my mind.) It would be great if occasionally they did projects with a lower budget, or even mixed in subplots where they also deal with more homeowner-friendly historically-sensitive projects, like restoring one room or saving a wood floor, etc. But in the meantime, I will still happily watch historic preservation porn and daydream of what I could do with $200k.