4GB? I wouldn't expect most open world games to perform well with 4GB. I think 2010 was the last time I had a laptop with less than 8GB. My current laptop has 16GB. Game developera and certainly mod developers don't optimize for bargain basement hardware.
Every enterprise client I have worked with has asked about our tech stack. I will agree that your groupon clone users do not care about your stack, but respond to an enterprise SaaS RFP and stack, security, DR will all be discussed.