Why is it necessary to cancel and silence conservative media? ?

I was beginning to agree until you mentioned unfair deaths of blacks.  As far as my research goes, I have not found a shooting that was not justified.  The media lied about Jacob Blake, which he was armed and did not die.  Freddy Grays was a career criminal, just look at his rap sheet.  George Floyd was an unfortunate death.  Still, the officers are charged.  

Make no mistake that all of these deaths could of been avoided if the victims were law abiding citizens.

To answer your question, the Democrats want this to be a one party system so they can control the power.  

The media discriminates against Conservatives, that's for sure.  Below is how the media allows the Democrats to freely show violence while telling Trump to stop:

? You are right.  After some investigation I did see where he wanted to shut Twitter down and treat them as a publisher but was told that the law still protects Twitter because they are considered forums not publishers. Yes he did call them fake news but conservative congress and senate did not support that free Speech be canceled. Democrat government officials have forced google and apple take parlor out and are insisting that cable remove newsmax off the air. How do you defend this?

I don't see them being shut down

Didn't Trump try to restrict the media

How soon you forget

Conservative viewpoints have not been censored, the platform for domestic terrorists to incite violence has been removed.

It is necessary to silence calls to violence - that's what got Trump kicked off twitter.  It is necessary to silence death threats - that's what got Parler cancelled.  Let's not lie about these things.  There's plenty of right-wing commentary out there; unfortunately the right-wing also has a penchant for using the internet to organize violence.

Because conservative policies are what the vast majority want and they have to create the impression that it’s just a fringe element that disapproves of Democrats 

If you want your views to be the only views, as most liberals do, then silencing all opposition is a must.  Just liked if Twitter wanted to remain the biggest fish in the social media pond, they had to get Amazon to crash Parler.

Simple....the left knows full well that the common sense America can't stand them. So what to do, prevent that America from even hearing what  any other news except what they want you to hear and read - then insert the nose ring and join those being led around by what ever the left media tells you.

Because it has been commandeered by a former liberal con man who now presents himself as a conservative. Where's my party? Grow up you sad little snowflake! If you think Trump is good for this country and a good president, you don't deserve to live here.

Only lies and threats of violence are being expelled. Get real. 

“May your choices reflect your hopes, not your fears.” --Nelson Mandela