The most ethical thing you can do is create content for your brand to rank for those terms - that way when users do follow that path - you'll still acquire the traffic.

This is a common tactic for battling '%brandname% scam' type searches.

sometimes it requires some creative writing

I've never witnessed different results per browser.

Can you share your example keywords?

Make sure you're adding &pws=0 at the end of the url to make sure you're not getting any personalization.

Class C refers to the third set of numbers in an IP.
AAA.BBB.CCC.DDD

If all the links came from the same C subnet, they're 'likely' less trusted.

The 'theory' (calling it a theory because i don't think its ever really been proven) is that multiple links from the same C subnet are less valuable because its likely that they come from an owner of multiple websites.

I wouldn't label them as 'bad'

But if you're link building, it's probably a good idea to get links from different subnets

Class C refers to the third set of numbers in an IP.
AAA.BBB.CCC.DDD

If all the links came from the same C subnet, they're 'likely' less trusted.

The 'theory' (calling it a theory because i don't think its ever really been proven) is that multiple links from the same C subnet are less valuable because its likely that they come from an owner of multiple websites.

I wouldn't label them as 'bad'

But if you're link building, it's probably a good idea to get links from different subnets

I've never witnessed different results per browser.

Can you share your example keywords?

Make sure you're adding &pws=0 at the end of the url to make sure you're not getting any personalization.