Why didn't readers prefer spacing to scriptio continua before 600 A.D.? [duplicate]

1. Why did Romans write without spaces?
2. How did Romans read without spaces?
3. Did Romans put spaces between words?
4. When did Latin start using spaces?

Why did Romans write without spaces?

Because speech is continuous, there was no need to add spaces. Typically, the reader of the text was a trained performer, who would have already memorised the content and breaks of the script.

How did Romans read without spaces?

Scriptio continua (Latin for "continuous script") is a style of writing that does not use spaces, different letter cases, or punctuation to tell apart words, phrases, or sentences. It was a common way of writing for texts in Ancient Greek and Classical Latin.

Did Romans put spaces between words?

Romans generally did use spaces, or interpuncts (dots) in inscriptions, between words for a considerable chunk of their history.

When did Latin start using spaces?

Spacing between words (which is technically a kind of punctuation) was an innovation introduced in the Dark Ages by Irish monks, who needed the help reading Latin (which is quite foreign to a 6th century Gaelic speaker).