> Yet, competing table formats like Delta Lake and Hudi mirror this fragmentation. [ ... ] > Just as Spark emerged as the dominant engine in the Hadoop ecosystem, a dominant table format and catalog may appear in the Iceberg era.
I think extremely few people are making bets on any other open source table format now - that consolidation has already happened in 2023-2024 (see e.g. Databricks who have their own competing format leaning heavily into iceberg; or adoption from all of the major data warehouse providers).