Mainstream science has poo-poohed for years any notion that Oriental medicine practices for facilitating lymph flow have any utility. Nice to hear they're back on the allopathic table.
It's big leap to assume that massage of peripheral lymph vessels (e.g. arms and legs) affect lymph draining in the brain. I'm always a bit perplexed when people's first reaction to new hard science is to assume that it supports more or less pseudoscience. Especially in a forum where hard evidence is the norm and encouraged. Just because some research shares a noun with pseudoscience doesn't mean that X supports Y.