"Gain of Function Research" if I recall had a one year moratorium in the US ending in 2017. Gain of Function is mainly used in Flu vaccine development, i.e. trying to predict which strains will be the most likely in the next season. There's no conspiracy here. The CCP in contrast actively breeds...
For what it's worth I think the lab leak is very plausible. The CCP has done nothing but obstruct all enquiries. Trouble is, knowing or suspecting is a world away from proving.