Bitcoin will always be the choice of investors, old and new. Prospective investors not wanting to get too technical prefers bitcoin. All the others will be just that, alternatives.
Why is Bitcoin always the first choice? Because it has been proven that bitcoin makes many people more prosperous. Bitcoin users since the first year and the price is only as cheap as one candy fruit, now it can show everyone that bitcoin is worthy of being an investment. Although altcoin appears, it will not be able to replace Bitcoin as the crypto money market leader.