Look at their Steem Power. They Obviously see something valuable about the platform. Honestly, STEEM is like on of the few cryptos that have a promising concept. It is a social motivated currency, any social activity done increases the amount of the currency you earn. Now we have an opportunity to get some value for original content that we share with millions of people everyday. On top of that the mobility of crypto plays a major role for the platform's economy making it much easier for people to perform transactions.