Bitcoin has been having block size limit issues for quite sometime. As a result, there had been debates as to whether Bitcoin should increase its block size in order to cater to more investors.
While Bitcoin there are a few scaling options, it appears that a number of Bitcoin investors have been switching to Altcoins, and may not switch back to Bitcoins any time soon according to Roger Ver.
Read more here: https://cointelegraph.com/news/bitcoin-block-size-debate-causing-investors-to-switch-to-altcoins