Just chiming in here to say (a) what you two have written mirrors my experience with the spa at Madison Ave as well and (b) they did explain to me that I would only receive an email asking for permission to proceed if the work they planned to do went beyond the scope of the regular, $325 refurbish and clean treatment. So for instance I did get such an email when they wanted to know if I was interested in having them change the (weirdly oxidized) palladium plate on the lock on a Kelly of mine — and they didn’t move ahead with even the cleaning or refurbishing until I had responded to that email about the possibility of replacing the hardware.
I have also noticed, having sent many of my H bags to the spa there over the past few years, that the intake person at the spa has in different cases incorrectly written down the leather type (Togo vs Clemence; Box vs smooth Barenia), the color (Gris Tourterelle vs Gris Pale; Brique vs Cuivre), and the material (Toile vs Crinoline). So those incorrect details then became part of the official H service record for those bags, even though I pointed out the errors to them and looped in an SA to confirm for example that one bag was vintage Barenia and not vintage Box, and that another was a Crinoline and not a Toile Kelly.
It’s unsettling to say the least to think that the intake people at the H spa aren’t as familiar as most of us in the TPF H Clubhouse are with basic features of our bags. The only explanation I can think of is that they are also charged with intake for other, non-bag products in need of repair, such as watches, belts, and shawls. So their knowledge is perhaps of a broader kind; but still, it would be reassuring to think that they would not make the kind of — to me elementary-seeming — mistakes I have encountered first-hand.