Shouldn't DebConf make a clear statement that although it accepts money (sponsorship) from corporations with abominable reputations in relation to the #FreeSoftware community, there will be no tolerance of suppressing criticism of any of those corporations during DebConf?

It looks rather shocking to see Microsoft and Google logos in association with Debian, but as long as participants are "fully allowed to bite the hand feeding them", the compromise could at least be defended.