Obviously it's only my opinion and everyone does that for pretty much everything; food, fashion, car designs, etc. You can't expect people to start with the phrase "in my opinion.." everytime.
This is true, but so what? What matters here is that Linkin Park's music is great, Justin has nothing to do with them hitting number 1.
That's not surprising. Linkin Park isn't as popular as they were, but they strategically released their album in a week where there is barely any newcomer albums and the biggest competition they would face are returning albums. If they released it a week before, Harry Styles would demolish it. If they released it a week after, lots of rising newcomers would keep it from #1. So they paid off by putting it in a spot where it's an easy win. Lots of Billboard insiders considered it a quiet week. "Heavy" is still charting in the Hot 100, so I guess it's still okay, but it's still not Top 40 yet, sadly.