You don't know how it works. Segwit does not change block size, they dropped 2x remember? Segwit removes the signature from the wallet's private key from the block while being processed by miners and re-adds it later at the node. That means smaller data size per transaction and more transactions per block. Some miners may still be running 2mb support or it's just a mistake if they set 1mb to be 1,000 kb, because a MB is 1024 KB. But slightly larger block size does not mean Segwit, a drastic increase in transactions per second does.
Nope, SegWit does away with block
size and introduces block
weight. The base portion of the block is still 1mb, that's strictly 1000kb and not a byte more, while the new witness portion of the block, which can only be accessed by using SegWit, adds a further 3mb of usable space. The maximum block weight is effectively up to 4mb. Stop insisting that the average number of transactions per second suggests SegWit is not implemented, because that's a flagrant lie. It's starting to sound like you're deliberately trying to mislead people. SegWit is active. No ifs, buts or maybes. Also, prior to SegWit, there were no blocks over 1000kb. Even if a block shows 1001kb, it definitely includes SegWit transactions.
Further to that,
I have received payments in my SegWit-native bech32 address. So I know beyond doubt that SegWit is active.