I have been unable to find out exactly how far it has spread, but so far at least 35+ people that I could track (below, as of April 2021) have helped spread the message:

• Foxlover504
• AyianaG
• KittysCataclysm
• wandering_stardust
• MyEndlessStory
• BlowUsAllAway51
• @roseisle
•Fandomluver276
• TheBookworm1237
• WonderAvocado3
• Teansre
• cxndielightt
• @roxytacocat1125
• moonbow-
• @ChristinaCGem
• -magicpenguin-
• @HarryPotter7890
• -nxghttears-
• lightningwolf12
• @LiteraturefromLynn
• Foosball342
• Summer_waves9764
• @-azuramoonlight
• @THE-KOTLC-RP
• @HarryPawter7890
• _Nightstary_
• Girl_Power_Community
• -Siriously-
• The_Bookbutterfly
• @Mavisyper
• TheGracedRaven
• @betasalpha1331
• Paladero_Fierro
• Plutotheplanet667
• Demi-who-Demi-me
• theillusionedmistake
• relreal

If you or someone else helped to spread the #BeKind message but your/their name is not above, please let me know. Thank you for helping to spread the message, I genuinely really appreciate it.