Kettling is very typically used for mass arrests, even if charges are not filed against everyone arrested. This has happened in Oakland, where I live, multiple times in the last five years. And the fact that an arrest without a conviction can be reported to employers under this FBI program is one of the problems noted in the article.
Terrorism is quite a word for a situation in which nobody was seriously injured, as far as I know. And terrorism of the variety that involves killing people is already less likely to kill someone in the U.S. than a lightning strike. Picking the black bloc as the "very real problem... to focus on", in that context and with everything else going on in the world--including the serious damage done to many thousands of people by cruel and violent policies justified by reference to the threat of terrorism--strikes me as a very poor choice of priorities.
Terrorism is quite a word for a situation in which nobody was seriously injured, as far as I know. And terrorism of the variety that involves killing people is already less likely to kill someone in the U.S. than a lightning strike. Picking the black bloc as the "very real problem... to focus on", in that context and with everything else going on in the world--including the serious damage done to many thousands of people by cruel and violent policies justified by reference to the threat of terrorism--strikes me as a very poor choice of priorities.