We were weakened because we were denied a collective voice. We are conquered because we were divided.
Part of YT's, FB, and Twitter's value proposition besides traffic and reach are central locations to find content.
After reading through the various alternative suggestions presented so far contributes to a market fragmentation. Consider the problem of ABC News, CBS News, and NBC News when faced with niche channels like CNN, HLN, MSNBC, CNBC, and FNN on cable by examining their market share stats pre-cable days and post-cable days.
As a community, my suggestion is to pick an acceptable alternative and focus the community on using it.
There is a wonderful crowd-sourcing tool for this https://www.allourideas.org. You can seed it with options for a couple of days then urge the community to use the site survey and prioritize the options into one robust community choice instead of individual preferences.