No, Tor by default is not only deployed in Wasabi, but Joinmarket, BTCPay Server, and Trezor as well. It's a critical component of preserving your privacy when coinjoining.
This is the SECOND guide for Sparrow Whirlpool I've seen that fails to include Tor: https://bitcointalk.org/index.php?topic=5470024.0
With this sort of widespread miseducation/misconfiguration happening, Samourai's coordinator is able to harvest a huge amount of Sparrow user data that they can use for blockchain analysis.