Not a regular viewer, but after you asked, I checked out the Domino trim episode, and indeed the MFT table was used with clamps to secure the work, not the Sys Vac. Since the majority of Domino users don't use (own) a Sys Vac to hold their work, the "new" workholding method will be closer to what an average Domin user employs.
I suppose Festool has a policy of not using or showing discontinued tools as soon as it can. I haven't seen any DF500 with the pins used in any of its videos.
Ya, unfortunately to me it seems more like damage control, rather than embracing a technology you developed and nurtured for years, you just suddenly cast it aside like it was a bad taco.
From a marketing perspective, if many observers on Sedges show were to enquire about the availability of the old Vac Sys, that becomes a marker from a marketing/sales perspective. It's a way to gauge enthusiasm for a new, old or existing tool. By eliminating the Vac Sys on the Sedge series you've basically buried the "victim" and thrown dirt on the grave...the conversation is over.
Festool marketing is getting stranger all the time especially in the last couple of years. The only new items they've been able to iterate is a disparate group of cordless tools. Throw in the TSC K and the new 1010 and I guess we're good to go for the future.
They've actually removed more items and consumables from their products list than they've added...not a good sign for continued future growth.