This is generally true of most toys nowadays, unless they are designed for collectors. The level of detail in many 90s and early 2000s figures are superior to the poor modern day stuff. In the case of Micro Machines, many of the molds are the same but the plastic is softer and cheaper, while the paint jobs are downright sloppy.

Yes the new ones are generally garbage, compared to the originals. Race to the bottom, et al.

Also Transformers especially are just monobody plastic garbage now.

They're chunkier than the old ones. My mom gave me a box with all of mine and my brothers' old Micro Machines in it. My son discovered them and quickly found his favorite ones. They now go with us as "car toys" and "restraint toys" because they're so small and portable.

But the new ones are slightly larger and chunkier than the original.