IMO how Nostr works as protocol is the basic answer. Of course it needs more improvements such as MLS by nostr:nprofile1qqspwwwexlwgcrrnwz4zwkze8rq3ncjug8mvgsd96dxx6wzs8ccndmcpzemhxue69uhk2er9dchxummnw3ezumrpdejz7qtxwaehxw309anxjmr5v4ezumn0wd68ytnhd9hx2tmwwp6kyvt6w46kz6nyxa6nxumc8pu82wfj09shvwt2wau8qu3cxvukxuesdd3nxufkws6nvanyx46njufsxvehsmtgwd4nvcejw43n7cnjdaskgcmpwd6r6arjw4jszxrhwden5te0dehhxarj9enx6apwwa5h5tnzd9az77vr4lw , more clients such as zap.store and so.
With centralization of app stores such as Google Play, organizations even ones like simplex and nostr:nprofile1qqsrc23txhhfq2yt9m32s7h90864j2cg62hvq4tpkrz8cvhpg5z39vgpzamhxue69uhkummnw3ezuum5w43xy7fwv3jhvtcpr9mhxue69uhhyetvv9ujucnfw3kkzurnw3ezu6t09uq3kamnwvaz7tmwdaehgu3wwd6kgmmrv9excmmn9e3k7mf02qnk6j in control by forced government laws, it won't work.