Ah, more regurgitation of conspiracy blog nonsense. 

The doubling has been confirmed using multiple completely independent data sets, with independent researchers, and published in peer reviewed journals. Where is your overwhelming evidence they are wrong? 

We have not forgotten GIA. What is your point?

As to the NOAA measures of sea level... what on earth are you on about. Here are the current data: https://www.climate.gov/news-features/understanding-climate/climate-change-global-sea-level 

As you can see they didn't "stop" at 2000. That is your evidence? Did you read it? LOL