Why can one ignore quantisation of electric . . .

Question : Why can one ignore quantisation of electric charge when dealing with macroscopic i.e., large scale charges?

Doubt by Angad

Solution : 

At the macroscopic level, one deals with charges that are enormous compared to the magnitude of charge e. Since e = 1.6 × 10^–19 C, a charge of magnitude, say 1 μC, contains something like 10¹³ times the electronic charge. At this scale, the fact that charge can increase or decrease only in units of 'e' is not very different from saying that charge can take continuous values. Thus, at the macroscopic level, the quantisation of charge has no practical consequence and can be ignored. At the microscopic level, where the charges involved are of the order of a few tens or hundreds of 'e', i.e., they can be counted, they appear in discrete (pieces) lumps and quantisation of charge cannot be ignored. It is the scale involved that is very important.

Illustration with a visual example :

Consider given line
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I hope you could see that there are gaps between any two hyphens, but if I increase the length of the line then in order to see this line completely you have to see it from a far off distance then you could not be able to see the small space between any two hyphens, you will just see it as a straight continuous line. In actual reality there are spaces between any two hyphens but when there are a lot of hyphens then space between them becomes so small and can't be seen clearly and hence simply disappear. In the same way, there is spaces between any two consecutive value of charges but when the charge is very large in number then space between any two consecutive charges becomes irrelevant. 

I hope you got it. 
Happy Physicsing!