Toomanyuserprofiles Thanks for coming back to me. I read an article from the guardian project earlier which said people were exposing their IPs by torrenting over TOR. Ie, P2P connections.
Stories of Tor users being deanonymized via peer to peer networks usually come from Desktop users who will download a torrent file on Tor software, then do the torrenting on a separate app, where they don't have a connection to the Tor Network. Tor is uncommon to be used on the entire OS for desktops except for Tor use purpose OS' like TAILS or Whonix, so for a lot of users Tor connectivity is only by the Tor Browser.
Toomanyuserprofiles Then there's the Rob Braxman videos talking about the dangers of P2P.
P2P has (easily mitigated) privacy disadvantages but also has advantageous uses. You're better off looking at a networking article explaining peer to peer networks and network topologies as a whole rather than any YouTuber who may say certain things mixed with well-known truths to promote a product.
Toomanyuserprofiles Are we saying that I can run WhatsApp through Orbot and my true IP address is hidden from the recipient?
Toomanyuserprofiles Assuming my VPN connection is trustworthy and both toggles are on, is there no part of P2P networking that exposes my original, pre-VPN IP address?
Yes. As what matchboxbananasynergy
has said VPNs on Android via the VPN implementation are OS-wide, if there's no connection to the VPN then internet connectivity to all apps stop.
I am aware Orbot has a feature to select Tor connections on certain apps only, don't use it. Just use it as a VPN and you will be good to go.