How can China avoid a sudden demise like the former USSR?

The more I read the facts and fiction of communist dictatorial regimes, the times when humanity faced a roadblock, the more I forget my own collective as well as personal pain. I feel blessed to be born beyond the communist shadow. If God has been merciful enough not to cast you into a communist land in either this or previous births, then you have no right to as for more. It’s already the best blessings from the Lord. It's a divine gift not to be born under a communist regime. Biggest pains you feel in a non-communist regime appear like luxurious sprouts in comparison to the horrendous systemic tortures perpetrated on the masses under the communist regimes. So to me, as part of democracy, the smallest of gains look like the biggest boon. Not that democracy is perfect. It has its own sweet set of nuisance. But these are lesser symptoms of non-fatal diseases like cough, cold, running nose, sneezing etc., etc. Communist dictatorship on the other hand is simply a terminator like incurable cancer.   

Communist ideology is an all-pervading fire which doesn't spare either good or bad. Intended to burn the evil, it stretches the definition of evil too far and turns fiery evil itself. It's a huge stone hurtling down-slope, squashing soots, saplings, petals, thorns and all. A fire needs fodder to burn. The communist ideology needs hordes of victims to survive. There is an endless chain of imagined enemies. Waves of purges. It's human industrialization. Humans just machines and cogs in the production line. And the looking at the ways and means of the emerging international bully, I’m afraid, at the end of it, the human civilization, despite its efforts at capitalist systems, will perish as a machine age managed by the communist system. But still that cataclysmic end should not make me skip my enjoyment of life in a democratic system.

Very often I wonder how communist dictators built cult status with millions of blind followers? It's a simple technique. First they rob people of their faith, turning them atheist. But we are genetically inclined to have faith. In the vacuum they plant their personality. Thus starts the cult of a dictator. Propaganda is used for the dictator's deification. And we have crazy, blinded masses, happy over having their God nearby.

However, the communist edifice which gets soaring high in the sky, also outgrows its sustainability like cancerous propagation of cells. Too much of laws, rules, regulations, legalized forced discipline creates a facade that goes too perfectly to soar too high to sustain its elevation. It then crumbles, perfection rarely sustains. That's why communist societies crumble. Like a castle of cards. It crashes. Like it did suddenly in Russia. To survive, a society has to have its pitfalls, imperfections. The facade doesn't go too high. It sustains. There are plus and minus which cancel out each other like in a democratic system. Oh, the glorious imperfections of democracy. That's why it thrives. In the same way, the well managed, rigid facade in China will crumble. It will collapse. Well, unless they voluntarily introduce some imperfections themselves, some traits of democracy, to make it pliable, some allowance of mischief, some humour, some criticism to bring down the upper stories of the facade which has gone too high. It won't fall then.