In the meantime, I pay my employees better, pay for their internet, give better benefits, etc.
(note: open to suggestions on what makes your life better as a remote worker)
Provide good networking equipment free-of-charge. Powerline adapters are cheap, will work pretty much everywhere, don't require running wires and while they won't give you the fastest bandwidth, whatever bandwidth they end up achieving will usually remain stable with little packet loss. For people with laptops, give them APs to connect to the powerline adapters and to place in every room they plan to be working in.
Network connectivity is paramount in a remote setting and it will always amaze me how otherwise-smart software engineers put up with terrible connections and have no clue where to even begin attacking the problem (they'll often blame the ISP even though the problem is in their LAN in the majority of cases). An unstable connection is horrible when it comes to calls/screen-sharing/etc as "modern" conferencing software is utterly terrible at handling interruptions (despite something like TeamSpeak from over a decade ago did it better even on computers orders of magnitude slower than now).
Same for audio equipment. I'm lucky enough that AirPods and MacOS work well enough generally so if most of your employees use Mac they are a good option but otherwise Jabra also makes good wireless headsets that connect via USB (and handles the wireless itself with a proprietary protocol, so no Bluetooth shenanigans) so make those available if needed.
If I ran a company, I would commission every employee with a nice over-ear headset with a boom mic and slight voice feedback in the ear cups. If I ever met with someone with crap audio, they'd have no excuse not to switch to a decent mic/speaker setup.
My body requires this in my late 20’s.
Every workplace should provide reimbursement for a standing desk and floor mat imo.