Rick, I got onto an Australian tech today. We spoke the same language, both literally and figuratively.
He informed me that I would NOT void my warranty (3 year, next day, on-site) if I back grade to W10 Pro (not Home!), and install a 2TB Kingston Hyper Fury Renegade PCIe4 NVME.2 SSD in slot 2. He even checked what I can install, and I said "What about running an SSD in the SATA slot with a SATA3 adapter?" He hadn't thought of that, but checked and said that while Dell don't supply such adapters, it should be fine, but at SATA3 speeds.
I have his name and number, and a note recording our conversation - it's the bloody accountant in my DNA ...
So I will order a couple of the Kingston 2TB SSDs next week, and pop the existing 512 GB NVME.2 SSD currently in the Dell into my main workstation as a scratch disk.
My workstation can have 4x NVME.2 SSDs plus 6x SATA3 HDDs, or 6x SSDs plus 4x HDDs (SATA3 devices, 1 is a Blu-ray burner, so 3x HDDs).
Completely agree about the enshitification. W10 is not brilliant (not as solid as W7 Pro), but infinitely superior to W11 Pro!