As someone who, in a former life, owned a domain that was incorrectly blacklisted, I can say that the procedure to request a review/removal was fairly easy. But that’s not really an issue of universal acceptance - it’s more directly

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related to “abuse”, how it’s handled and that most networks are private so the operators will protect them

If an innocent registrant is affected as collateral damage because a registry's policies (and/or lack of enforcement) are widespread enough to cause the whole TLD to be blocked by trusted entities(*), that is most certainly a UA issue.​ ​Certainly not everyone here would agree with me when I assert that the high level of abuse brings the entire new namespace into disrepute. But when "who can I trust?" needs to become a factor in choosing a TLD, I think that's a problem for the wh​ole ecosystem. ​- Evan​ ​(*) Even if *you* don​'t much trust Spamhaus' judgements, significant numbers do.