That notice has been there since the third party change. Under 'Data' - 'Reddit Source' I had to change it from 'Teddit' to 'Reddit'. Teddit stopped working quite soon after the API change.
I am using Orbot, which always shows up as a TOR exit node. Strange that they would allow that. I always pick somewhere in western Europe so my time zone stays the same.
Regarding: "On Android you can use [Stealth] . That's what I use for searches that pull up Reddit posts."
The stealth protocol does not have anything to do with accessing individual sites or services. The purpose of stealth is when trying to estata VPN connection to a provider that does not allow VPNs. For example, a public wifi that blocks VPN connections or some countries that require ISPs to block VPN connections.