Stance on the subject has not changed to my knowledge, diamond moderators act from the same basic set of ground rules as they did before.
A Maturing Community
The community maturing and requiring higher quality posts of its members will really increase the level of shopping question that works. The primary metric for judging the suitability of such questions is described in the blog post "Good Subjective, Bad Subjective". Many of the metrics are based on the answers given, as they are often the clearest way to tell if the question is too subjective to be useful. It is still borderline to me but close enough to not be worth the action of a diamond.
Question with Detailed Information but Lack of Research
The first did not show thorough research, the metric by which you are supposed to vote on questions, but did have the needed information to possibly allow users to teach instead of just giving basic links to companies or google. This type of question often spawns from a user not knowing how to effectively search for components, not necessarily a lack of effort on their part. Often showing how to use a tool to look into these parts is helpful to them and users in the future.
Question About Component Selection in a Specific Technical Situation
The second question has a clear technical situation where they need help on how to pick a mosfet. There is an excellent chance for a great answer here really teaching a user how to go about picking a mosfet and looking at its characteristics to see if it can handle the job. Honestly, the point at which this question started getting great answers heavily correlates with the example that one of our top users has set. Ideally you give what I call a stevenvh answer on this site, you have answers that explains step by step what you need and how to tell if your device does it. Stevenvh is not the only user whom does it but his concise communications skills and willingness to attempt a task instead of giving just a part number has been a significant contributor to our site being able to open the flood gates a bit more to these questions.
Raising Flags for Moderators with Low Quality Questions
Flag if something seems like it does not fit or there is an issue. If you think the question is poor and you can, vote to close. Actions on the site are designed to be easily reversible, if a question is closed for a reason, it can be edited and reopened. Moderators often only act if an issue is clear to them. We occasionally err but to my knowledge always correct such situation. Our site allows anyone to post without verification, instead using the community to close crap afterwards. At this point it must be brought to quality guidelines then we will reopen. It allows a shorter delay to good questions showing up and allows us to mitigate the presence of crap on the site.