ISP BANDWIDTH NOT USED BY HAPLITE

I bought MT router and started with the cheapest one to try only. I am quite disappointed with the results.

Whenever I use speedtest or download any file using IDM maximum speed utilized by the router is 20M. However, when I open different youtube tabs, it utilize my set limit in queue tree. Same with downloads of Microsoft updates and Downloads from steam. I also tried to used MT’s bandwidth test and it used my set limit. I had restless nights and still unsuccessfully fixed my issue. I

Your inputs is greatly appreciated.

Please see screenshots for reference.
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