You have to give it to these scammers, they are always updated with what's happening in the crypto market 

Be careful of these giveaways because 99% of them are probably scams. Always verify the truthfulness of the information you see on the internet whether on emails, social media, or private messages. Do no hesitate to ask in forums like this.

So if more big investors will come in, that means more whales will trade against each other. Let's not forget also that the opposite may happen. I mean more whales will either dump or pump the market depending on their consensus. 

I think you missed the meaning behind that statement.

"Invest as much as you can afford to lose" simply means do not invest all your money in some projects. The keyword there is all. We have witnessed already that there are newbies who will risk all funds (even those set aside for other things such as education, bills, etc) in an investment then when things don't go according to plan, they feel all the pressure and stress.

Compare that to someone who only invested money that he can afford to lose. He/she is not too worried if the investment goes south. .

Your topic title and your content are unrelated. Your question on crypto being stable has nothing to do with your complain about holding worthless. Either you edit your title to match the content or do the other way around.

Hello guys, i had thought that what we experienced in 2017( the all time bull run) and the 2018 worst crypto experienced( the all time bear run) could be traced to the curren altcoins bear market that has completely separated it from the Bitcoin prices movement.
Bitcoin so far has witnessed some certain percentage  of good market prices for the past 5 months, unfortunately altcoins generally has been loosing grip of it's prices, fluctuating downwards without recovery. Now, i have reasoned that this could be as a results of the fact that many altcoins investors are unwilling to inverst, like they did in 2017, and consequently the total prices collapsed in 2018. What do you think?

What do you mean by altcoins price was completely separated  from bitcoin price movement? Is it not clear yet the altcoin's price depends on bitcoin? Whatever the price relationship is (bitcoin up = altcoin down, bitcoin down = altcoin down), bitcoin has been dictating how the crypto market moves especially with its increased market dominance.

There are many of these kind of airdrops since 2017 that were busted. Other than asking for a gas fee, some would even ask to "donate" and be given extra tokens. Ignore any of these airdrops asking you to do something other than follow/retweet/share.

Also, do not fall airdrops that only aims to increase twitter/facebook/telegram followings and those looking for referrals.

I have heard about this bitconnect 2.0 but I have not read anything substantial about it. Can the OP share a legit link where you got the information on the bitconnect comeback? (When I say legit, I mean a website not promoting a wallet)

One of the reasons Bcc collapsed is basically due to poor management and marketing.

I cannot believe you just said that. No amount of marketing and good management can sustain a PONZI scheme. They are bound to collapse at some point. Or do you suggest they keep fooling people?