ZkSync tech is different. Know about difference between ZkSync and Rollups like Optimism and Arbitrum. Some people may be unhappy with the airdrop but the technology is good.

https://www.techopedia.com/all-you-need-to-know-about-zksync-era-zk#:~:text=Zero%2Dknowledge%20rollups%20like%20ZKsync,framework%20called%20the%20ZK%20Stack.