. Do you think we should not link two words with a hyphen when one is an abbreviation ( I think it is) like ESL and the other is a participle?-- That is not a valid guideline.
Also, do you think linking an adjective and a participle and form an adjective with them is correct? -- No, because the participle must act as an adjective, making its modifier an adverb by definition
Thank you again. I think I have gotten more (example) entries when I looked for the phrase "materialistic minded people" than when I looked for the phrase "materialistically minded people" in the Google Book Search? I think when I typed in those two phrases, I think I have gotten varieties (a variety?) of both the hyphenated versions like "materalistic/materialistically-minded" and unhyphentat