Because we are in the bear market and many investors are discourage to invest anymore. The perfect time to buy crypto is when Bitcoin started the bull run.
Same here. The statistics are not wrong. You can check out so many online articles on The Medium magazine about crypto and what IEOs have done to ICOs. There is a buzz in the crypto space about IEO and every company that want to raise funds by selling its tokens will now think about IEOs and not ICOs. So yeah, its like the arrival of ethereum out-ranked the litecoin from the position of king of altcoins like that. I guess, situations may get restored as IEOs may start attracting more investors in near future so that may have another set of statistics which may speak about increased investors.
In any case, ethereum is in a leading position among all new companies that use different platforms. But nevertheless, today the situation in the cryptocurrency market is such that investors most of all prefer to buy coins on the stock exchanges and not only old rating ones, but also new ones, but also new ones after listing. The fact is that everyone already knows that the prices of new coins on the stock exchanges are much cheaper than the prices of ico companies.