Bitcoin.com is providing a deliberately false perspective against Bitcoin. The header of their site makes it seem that the graph they are providing is accurate:
Use of the Bitcoin header is under the Fair Use for Criticism accepted policy.
Here is the real perspective. Bitcoin cash real value is graphed on the left. Bitcoin is graphed at the same scale on the right:
I don’t think I have to say anything else to prove that Bitcoin.com are promoting Bitcoin Cash as a viable alternative to Bitcoin. The real diagram says it all.