If my memory serves there has been quite a few of them over the last couple of decades, people just tend to forget them over time.
Plus a few lawsuits were avoided or defeated because of the generosity of the US federal government making laws that makes it more difficult to be a consumer; the DMCA comes to mind. Laws pushed by the very companies that are not in a conspiracy but willing to work together for their own benefit when needed. You want a third-party ink cartridge? Screw you because the law says you can't and it's even illegal for you to try.
Nope, nothing to see here.
I agree, but for the record, there have been a variety of customer-screwing conspiracies within the computer market. If memory serves correctly, price-fixing arrangements have occurred in at least RAM and LCDs. Not to mention various anti-trust issues.