What is "the community" here? Every metric I'm able to find (commit frequency, gh stars, gh stars gained since the launch of opensearch, stack overflow tags, google search result counts...) suggests that OpenSearch didn't really take much of Elastic's mind share in the end. Each metric I've looked at shows OpenSearch at somewhere between 20%-50% of Elastic's numbers, which isn't nothing but is a far cry from "the community".

I've heard a few anecdotes suggesting some people took it seriously, but while we're sharing those: my company actually adopted ElasticSearch since the license change and never seriously considered OpenSearch.