Creating two threads of the same topic is generally discouraged, irrespective of different languages being used.
However, in this case I may have found your problem:
In /etc/pacman.conf the actual setting should be:
ParallelDownloads =
What a difference a missing character can make. 
Cheers.
I think this type of reporting is important. This is the most immediate way to recognise a problem during download of updates, and to identify which package the problem is associated with.
A simple progress bar might let you know how long the overall process is likely to take, but I’d much prefer to be kept informed with each package installed.
If you don’t like the reporting, don’t look! 