No, home made cloth mask help to prevent you from expelling virus laden droplets of saliva and/or mucous into the environment around you if you are infected. Therefore the point of using those masks was for everyone to protect themselves by wearing them to protect each other. The reason you still don't understand that after all time is because the government and the health authorities deliberately refrained from explaining that adequately because they were all fully invested in ensuring the virus spread so they had the excuse to force their vaccine on everyone.